Income Taxes - Additional Information - Level 4 Tag - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Income Tax Examination [Line Items]
Effective tax benefit rate	24.70%	26.90%	23.90%	18.00%
U.S. federal statutory rate	21.00%	21.00%	21.00%	21.00%
Effective Income Tax Rate Reconciliation, Tax Expense (Benefit), Share-based Payment Arrangement, Amount	$ 4.7	$ 6.3	$ 21.0	$ 27.3
Unrecognized tax benefits	38.8		38.8		$ 32.8
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	$ 17.9		$ 17.9		$ 13.6
Foreign Tax Authority [Member]
Income Tax Examination [Line Items]
Other Tax Expense (Benefit)		(7.8)		12.1
State and Local Jurisdiction [Member]
Income Tax Examination [Line Items]
Other Tax Expense (Benefit)		4.9		7.0
Other Discrete Tax Items [Member]
Income Tax Examination [Line Items]
Other Tax Expense (Benefit)		$ 2.2		$ 1.5